Beta Alanine is a non-essential amino acid that combines with L-Histidine to help form Carnosine. Beta Alanine elevates Carnosine concentration in muscles and is useful for anyone participating in sports which require explosive actions, for example sprinting, weight training or boxing. Using Beta Alanine will help increase the production of Carnosine. Increasing the concentration of Carnosine in muscles is vital to athletes as Carnosine can increase the ability of your muscles to work harder and perform for longer. It may also prevent lactic acid build up during intense exercise, thus reducing fatigue. Try adding 300mg of L-Histidine 45 minutes prior to exercise to further increase Carnosine production. Warnings:Beta alanine can cause a tingling and flushing effect on the skin. This is a perfectly normal reaction by the body and not harmful.